Nitrogen -fixing bacteria take in nitrogen gas from the air and produce nitrogen compounds that living organisms can use. which organism can directly use these nitrogen compounds?

Categorize each term as something that is typical of a scientific theory, a scientific hypothesis, or both. makes predictions

Anormal appearing couple is found to be heterozygous recessive for albinism both have the genotype aa the gene responsible for albinism is recessive to the normal pigment-producing gene what are the changes of their children being albino

Match each phylum or class to its correct characteristic